: Flashing the incorrect resolution or incompatible firmware can cause "black screen" issues or "mirroring" problems. Always verify your panel's exact resolution before proceeding.

: It is highly recommended to back up your original SPI Flash (typically a 4MB chip like GD25Q32) using a programmer like the RT809H before flashing new firmware.

Turn the power . The indicator light (usually red/green) will typically start blinking, signaling that the update is in progress.

: Once the update is complete, remove the USB drive and restart the TV. Additional Technical Info

: Usually provided as a .rar archive containing a .bin update file. Main Chip : TSUMV59. Installation Guide (USB Method) Follow these steps to flash the firmware onto your board:

: Do not turn off the power or remove the USB until the blinking stops or the TV reboots automatically.

: If you need to access internal settings after installation, the common factory code for this board is Input + 208 .